19、From the fourth paragraph, we learn that Google’s money is also invested to help_______.

将网上内容进行手工分类耗时太多，得到的搜索结果却不多。(result in)

许多企业仅仅是始于一个好想法。(begin with)

它的确是互联网热潮的范例。(poster-child, dotcom boom)

从本质上讲，这就是一种网上支付的方法。(in essence)

法律因素也应考虑进去。(take...into account)

(71)[For many users, a search site is now their point of entry to the Internet.] The best-known search engine has already entered the lexicon (词典)：people say they have “Googled”a company, a product or their plumber. (72) [The search business has also developed one of the most effective forms of advertising on the Internet.] And (73) [it is already the best way to reach some consumers: teenagers and young men spend more time online than watching television.] All this means that search is turning into the internet’s next big battleground as Google defends itself against challenges from Yahoo! and Microsoft.

The other way to get noticed online is to offer goods and services through one of the big sites that already get a lot of traffic. (74) [eBay, Yahoo! and Amazon are becoming huge trading platforms for other companies.] But to take part, a company’s products have to stand up to intense price competition. (75)[People check online prices’ compare them with those in their local high street and may well take a peek (看) at what customers in other countries are paying.] Even if websites are prevented from shipping their goods abroad, there are plenty of web-based entrepreneurs ready to oblige.

She succeeded in_______(retain) her lead in the second race.

The tents are in ________(vary) shapes, colors and sites.

A key task is to get pupils to ________ (perceive) for themselves the relationship between success and effort.

His past experience qualified him to_______(handle) such a delicate matter.